Buckle Up should be Kindred, but for slugged survivors.
In it's current state Buckle Up is one of the worst Survivor perks in the game. The benefits are so miniscule compared to Unbreakable and WGLF, that there's literally no reason to ever run it even in a build built around anti-slugging. My change would be simple: In addition to it's current effects, you can now see the aura…